LOCATION.--Lat 43° 56'36", long 116° 11'48"
(NAD83), in NE1/4 SE1/4 sec.15, T.7 N., R.2 E., Boise County,
Horseshoe Bend quad., Hydrologic Unit 17050122, on left bank 0.5 mi
downstream from Porter Creek, 0.6 mi upstream from concrete highway
bridge on State Highway 55, 2 mi north of Horseshoe Bend, and at mile
60.8.
DRAINAGE AREA.--2,220 mi². Mean elevation, 5,880 ft.
PERIOD OF RECORD.--February 1906 to September 1916, July 1919 to
current year. Monthly discharge only for some periods, published in
WSP 1317.
REVISED RECORDS.--WDR ID-04-2: Drainage area.
GAGE.--Water-stage recorder. Datum of gage is 2,625.61 ft above
NGVD of 1929. Prior to Nov. 23, 1912, nonrecording gage at site 1.8
mi upstream at different datum. Nov. 23, 1912 to Apr. 16, 1953,
water-stage recorder at site 1,000 ft downstream at datum 2.1 ft
lower.
REMARKS.--Flow regulated by Deadwood Reservoir beginning November
1930, Cascade Reservoir, 51.9 mi upstream, beginning November 1947
and other reservoirs upstream. Diversions above station for
irrigation of about 55,100 acres (1966 determination).
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 27,000 ft³/s
Dec. 23, 1964, gage height, 16.35 ft; minimum daily discharge, 260
ft³/s Nov. 14, 1979.
U.S. Department of the Interior |
U.S. Geological Survey
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